Finding the Fourth Proportional to 371,314.62, 512,414.79 and 201,548.70
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Solution
The fourth proportional to 371,314.62, 512,414.79 and 201,548.70 is: 278,137.54
Step by Step Solution
- Step 1: Write the proportion equation
371,314.62 : 512,414.79 = 201,548.70 : x - Step 2: Convert to fraction form
371,314.62/512,414.79 = 201,548.70/x - Step 3: Cross multiply
371,314.62x = 512,414.79 × 201,548.70 - Step 4: Simplify right side
371,314.62x = 103,276,534,785.27 - Step 5: Solve for x
x = 103,276,534,785.27/371,314.62 - Step 6: Final answer
x = 278,137.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.